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The first fully automated 3D-printing vending machine is open for business at UC Berkeley's Etcheverry Hall. In the background, Richard Berwick, Dreambox co-founder and chief technology officer, makes some adjustments to "Dolly," the prototype's name. (Sean Greene/KQED)

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The first fully automated 3D-printing vending machine is open for business at UC Berkeley’s Etcheverry Hall. In the background, Richard Berwick, Dreambox co-founder and chief technology officer, makes some adjustments to “Dolly,” the prototype’s name. (Sean Greene/KQED)

The Dreambox, nicknamed Dolly, is the first fully automated 3D printing vending machine. Customers can select an object or enter their own design, and watch it print before their eyes. (Sean Greene/KQED)